blob: aba115718aa4771cf21add6c5609964785bfaf63 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
|
#ifndef __ASURA_GPU_BUFFER_H__
#define __ASURA_GPU_BUFFER_H__
#include <asura-utils/exceptions/exception.h>
#include <asura-utils/type.h>
#include "gl.h"
namespace AsuraEngine
{
namespace Graphics
{
enum BufferType
{
BUFFER_TYPE_VERTEX, ///< 㻺
BUFFER_TYPE_INDEX, ///<
};
enum BufferUsage
{
BUFFER_USAGE_STREAM, ///< һΣʹô
BUFFER_USAGE_DYNAMIC, ///< һΣʹ
BUFFER_USAGE_STATIC, ///< ĺʹ
};
///
/// GPU壬ֶ㻺֣ÿζڴԴϴݡ
///
class GPUBuffer
{
public:
GPUBuffer(BufferType type, BufferUsage usage, size_t size) ASURA_THROW(Exception);
~GPUBuffer();
///
/// ʼ\»棬ûgpu bufferԴΪdzʼΪǸ¡
///
bool Fill(const void* data, size_t size, uint offset = 0) ASURA_THROW(Exception);
///
/// ӦĿϣͿʹˡ
///
void Bind();
void UnBind();
uint GetBufferSize();
private:
GLenum mTarget;
GLuint mBuffer;
GLuint mUsage;
uint mSize;
#if ASURA_DEBUG
///
/// رbufferݣԴݱһ£ԺԴ档
///
byte* mData;
#endif
};
}
}
#endif
|
